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논문 기본 정보

자료유형
학술저널
저자정보
강태경 (Department of Agricultural Engineering, National Academy of Agricultural Science) 이채식 (Department of Agricultural Engineering, National Academy of Agricultural Science) 최덕규 (Department of Agricultural Engineering, National Academy of Agricultural Science) 전현종 (Department of Agricultural Engineering, National Academy of Agricultural Science) 구영모 (Bio-Industrial Machinery Engineering, Kyungpook National University) 강태환 (Agricultural Science & Technology Research Institute, Chungbuk National University)
저널정보
한국농업기계학회 바이오시스템공학(구 한국농업기계학회지) 바이오시스템공학 제35권 제4호
발행연도
2010.1
수록면
215 - 223 (9page)

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In order to develop an precision aerial pesticide application system to be attached to an unmanned helicopter which can be applied to small lots of land, this study analyzed the flowing and spraying characteristics of the spray droplets by the main rotor downwash by setting the application conditions at the flight altitude of 3 m, the diameter of main rotor of 3.1 m, the boom length of around 2.8 m, and the spraying rate of 8 L/ha. The results of this study are summarized below. Through analysis of the covering area ratio of the spray droplets by main rotor downwash by nozzle type, boom with tilt angle and height, it was found that the covering area ratio of the twin flat-fan nozzle of around 25% was more uniform than other types of nozzle, also boom with $10^{\circ}$ tilt angle and spraying height of 3 m was shown to be the appropriate conditions for aerial application of pesticides. It was found that the nozzle position to minimize the scattering loss of spray droplets due to vortex phenomenon at both ends of the main rotor was around 10 cm from the end of the main rotor. An application test for the aerial pesticide application system attached to the HUA-ACEI unmanned helicopter developed by the Rural Development Administration showed that the range of covering area ratio of the spray droplets was 10-25%, and the spraying width was approximately 7 m when over 10% of covering area ratio was considered for valid spraying.

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